Die Set Hex Solid Carbon Steel Number of Dies in Set 8 Thread Sizes Included 1/2 In.-13 1/4 In.-20 3/4 In.-10 3/8 In.-16 5/16 In.-18 5/8 In.-11 7/16 In.-14 9/16 In.-12 Thread Standard UNC Thread Direction Right Hand Die Sizes included 27/64 in 1/2 in 1/4 in 3/8 in 5/16 in 5/8 in 7/16 in 9/16 in Case Type Metal Hex Sizes Included 1/2 In.-13 1/4 In.-20 3/4 In.-10 3/8 In.-16 5/16 In.-18 5/8 In.-11 7/16 In.-14 9/16 In.-12